let array:number[] = [1, 2, 3]
console.log('1.'+ array[1])

let array1:Array<string> = ['w', 'ty', 'c']
console.log('2.' + array1[2])

let array2 : [string, number, boolean]
array2 = ['wyc', 12, true]
console.log('3.' + array2[1])